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A scientist wants to genetically modify a tomato plant to carry a soybean gene that codes for drought resistance. He plans on using an Agrobacterium to accomplish this. Explain this scientist's process of genetic engineering. Include in your discussion the following vocabulary: plasmid, foreign DNA, tissue culture, genetically modified.

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The gene for drought resistance from a s...

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. ___________ often arises from diets that are high in saturated animal fats, sugars, and salts.

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What does the term "green revolution" mean? Discuss the pros and cons associated with the green revolution in agriculture.

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The term "green revolution" refers to th...

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Industrialized agriculture can have negative impacts on the environment through the application of pesticides, salinization, habitat fragmentation, and __________.

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Discuss three similarities between the evolution of microorganisms' resistance to antibiotics and pest species evolving genetic resistance to pesticides.

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Similarities:
blured imageThe use of antibiotics has...

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What is a biological control for pest management?


A) some members of the pest population are sterilized
B) sexual attractants lure pest species to traps
C) predators, parasites, or disease organisms are released to reduce pest populations
D) harvested foods are exposed to ionizing radiation
E) genetic engineering develops pest-resistant crops

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Which of the following pesticides is incorrectly matched with its target organism?


A) herbicides: kill lice
B) insecticides : kill insects
C) herbicides : kill plants
D) rodenticides : kill mice
E) fungicides : kill fungi

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Which of the following methods are currently being used to increase livestock yields?


A) administering antibiotics and hormones
B) increasing nomadic herding
C) establishing outdoor, free roaming farms
D) increasing domesticated animal varieties
E) instituting water-quality laws for livestock factories

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Differentiate between malnutrition, undernutrition, and overnutrition. Provide an example of poor health that can result from each of these conditions.

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blured imageMalnutrition results from either an unde...

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Many countries are collecting _________ to preserve diverse varieties of plants and animals.

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Integrated pest management incorporates all of the following methods except


A) crop rotation
B) antibiotic application
C) disease-resistant crop varieties
D) pheromone traps
E) limited use of pesticides

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What tool of integrated pest management is illustrated below? What tool of integrated pest management is illustrated below?   A) cultivation practices B) resistant crop varieties C) natural enemies D) judicious use of pesticides E) pheromone traps


A) cultivation practices
B) resistant crop varieties
C) natural enemies
D) judicious use of pesticides
E) pheromone traps

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The white leghorn hen is prolific at egg laying, but not good for meat production and now produces almost all of the eggs in the U.S. This points to a global trend where


A) genetic variety is being expanded through genetic engineering.
B) a single variety of farm animal cannot face extinction through a disease outbreak.
C) animals bred for maximum production are not performing as anticipated.
D) farmers are being subsidized not to keep white leghorn hens.
E) the eggs and sperm of domesticated animal varieties are being banked for preservation.

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Why is world population control the most fundamental solution to world food problems?

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Although annual grain production almost ...

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All of the following are similarities between undernutrition and overnutrition except


A) both are a type of malnutrition.
B) both involve lack of access to sufficient daily calories.
C) both leave the body susceptible to disease.
D) both can affect young or old individuals.
E) both are ailments that can be found in developing countries.

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The move away from using techniques that produce high yield and toward methods that focus on long-term sustainability of the soil is known as


A) habitat fragmentation.
B) subsistance agriculture.
C) industrialized agriculture.
D) the green revolution.
E) the second green revolution.

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All of the following are negative environmental impacts of the use of pesticides in industrialized agriculture except


A) production of greenhouse gases from pesticide exposed plants.
B) air pollution from pesticide sprays.
C) soil pollution from pesticide residues.
D) contamination of food supply from pesticide residues.
E) reduction of the number and diversity of beneficial microorganisms in the soil.

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Which of the following types of agriculture is correctly matched with the agricultural practice?


A) industrialized : polyculture
B) industrialized : shifting cultivation
C) subsistence : slash-and-burn
D) industrial; nomadic herding
E) industrialized : intercropping

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A potential benefit of genetic engineering is the development of crop plants


A) resistant to viral diseases, drought, heat, or herbicides.
B) with genes that can spread to wild relatives of crop plants.
C) that contain no allergens.
D) that grow in a crop circle.
E) that require sunlight and water to grow.

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The main cause of undernutrition is


A) a shift from eating grains to eating processed foods.
B) lack of access to adequate nutritional guides.
C) poverty.
D) the proliferation of monoculture practices.
E) unsanitary cooking of food.

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